The study included 125,505 individuals, with 10,590 self-reporting a history of cardiovascular disease.Īn earlier study conducted by a different group of researchers, the Prospective Urban Rural Epidemiology cohort study, was published in 2011 and found similarly low aspirin usage.ĭespite international efforts to improve access to cardiovascular disease medicines, including aspirin, from 2011 through 2023, aspirin remains severely underused. The surveys included questions about people’s medical history of cardiovascular disease and on aspirin use. Such blockage also can cause other complications, including a heart attack or stroke.įor the study, published in JAMA, the researchers analyzed data from nationally representative health surveys that were conducted in 51 low-, middle- and high-income countries. These clots can block arteries and contribute to a reduction in the amount of oxygen-rich blood being delivered to vital organs. Aspirin works as a blood thinner, preventing small blood cells called platelets from forming clots. Myriad factors contribute to the risk of heart attacks and strokes such as smoking, diabetes, unhealthy diet, genetics, lack of exercise, obesity, and even air pollution. It increased to 51.1% for upper-middle-income countries, and to 65% in high-income countries, including the United States. In lower-middle-income countries this number was 24.5%. The new study can’t explain why aspirin is so underused, but there likely are multiple intersecting explanations, including varying accessibility to health care in general, inconsistent messaging surrounding use of the drug, and the fact that aspirin is not always available over-the-counter, requiring a prescription in some countries, Yoo says.ĭespite the benefits of aspirin, the study showed that in low-income countries, only 16.6% of eligible individuals-those who had experienced a first heart attack or stroke-were taking aspirin to prevent a second heart attack or stroke. Aspirin offers one effective and relatively low-cost option for reducing the likelihood of additional events in individuals with established cardiovascular disease, and yet most people who could benefit from a daily aspirin don’t take it.” “In fact, many people die from having recurring attacks. “Survivors of heart attacks and stroke often face a high risk of having subsequent events,” says first author Sang Gune Yoo, a cardiovascular disease fellow in the Cardiovascular Division at Washington University School of Medicine. In the US, a monthly supply of baby aspirin (81 milligrams per dose) can cost from $2 to $8, depending on the retailer and the amount purchased. Daily aspirin therapy is also generally affordable. ![]() Since then, daily aspirin has been recommended for this purpose. Multiple studies conducted in the 1970s and 1980s established that antiplatelet therapy-including aspirin-can reduce the risk of a second cardiovascular event, such as a second heart attack or stroke, by about one-quarter. Louisįewer than half of people worldwide who have had a heart attack or stroke take a daily aspirin, despite evidence that doing so can prevent a second one, according to a new study.Ĭardiovascular disease, including heart attack and stroke, is the leading cause of death globally.
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